[Boulder, Colorado], Colorado 19th century sterescope card.

Photograph showing group photo of Theodore Roosevelt and a man facing front on the deck of a ship. Another ship in the background.
H100809 U.S. Copyright Office.
Title from copyright registration.
Number stamped at bottom of image: 107760.
Copyright October 7, 1908 by Keystone View Company, Meadville, Pennsylvania [stereoscopic photographs].
Stereograph format photograph not on stereograph mount.
Date stamped on verso: October 8, 1907.